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Proof step 10 from proof same-subclasses-tdnameex-04 (previous step)

tdname∃(str0, class), same-subclasses(class, str, str0) ⊦ tdname∃(str, class)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ tdname∃(str, class) ↔ class∃(str, class) ∨ interface∃(str, class)
Proof step 9:
tdname∃(str0, class), same-subclasses(class, str, str0) ⊦ class∃(str, class) ∨ interface∃(str, class)

Rule argument

[speclemmaarg: ,tdname∃(str, class) ↔ class∃(str, class) ∨ interface∃(str, class) ,[class, str] → [class, str] ,F ,typefuns , ,tdnameex-def ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (class, str)]]